The innovative idea was reportedly introduced by the desperate pensioner who was looking around for ways to raise cash to continue funding her grandson's leukaemia treatment.

Chinese Yang Kang, the elderly grandma, has been trying to persuade all manner of pedestrians and motorists to buy a blow-up doll, which she calls "a temporary wife", in order treat her three-year-old grandson who is suffering from leukaemia.

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SALES TACTIC: The industrious grandmother hopes to sell to migrant workers away from their l...

Dressed in men’s clothing, Yang is specifically targeting migrant workers who are spending long months away from their own wives back home, and hopes that they will purchase a doll for £30 (298 RMB) each, as a favour to her family.

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SUITS YOU: Yang wears a suit while trying to flog the sex dolls

The boy is currently receiving treatment in Langfang city, in north China’s Hebei Province, but Yang says the family is running out of money.

She added that the idea of selling blow-up dolls comes as a last resort, and she hopes the city’s workers will see the appeal and support her cause.

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INTEREST: Workers approach Yang Kang and her grandson

Yang, who also brings her grandson to the roadside stall, and has already sold several dolls. But she will need to sell several dozen more in order to continue funding the child’s treatment.